iff -ur duke3d/source/buildengine/a.c duke3d-gcc4/source/buildengine/a.c
--- duke3d/source/buildengine/a.c	2004-11-25 13:55:21.000000000 -0500
+++ duke3d-gcc4/source/buildengine/a.c	2005-06-18 18:14:24.000000000 -0400
@@ -186,7 +186,9 @@
     if (i3 == 0)
     {
 	    i1 += i4;
-	    ((unsigned long)i4) >>= mach3_al;
+			unsigned long temp = i4;
+	    temp >>= mach3_al;
+			i4 = temp;
 	    i4 = (i4&0xffffff00) | (source[i4]&0xff);
 	    *dest = ((unsigned char*)i2)[i4];
 	    return i1;
diff -ur duke3d/source/buildengine/pragmas.c duke3d-gcc4/source/buildengine/pragmas.c
--- duke3d/source/buildengine/pragmas.c	2003-07-25 20:11:32.000000000 -0400
+++ duke3d-gcc4/source/buildengine/pragmas.c	2005-06-18 18:25:37.000000000 -0400
@@ -56,28 +56,39 @@
 
 void clearbufbyte(void *buffer, int size, long fill_value) {
   int lsize;
+	unsigned char *p=buffer;
+	unsigned short *s=buffer;
   switch(size){
   case 0: return;
-  case 1: *((unsigned char*)buffer)++ = fill_value; return;
-  case 2: *((unsigned short*)buffer)++ = fill_value; return;
-  case 3: { unsigned char *p=buffer; p[2]=p[1]=p[0] = fill_value;} return;
+  case 1: ++p; *p = fill_value; return;
+  case 2: ++s; *s = fill_value; return;
+  case 3: { p[2]=p[1]=p[0] = fill_value;} return;
   default:
 	if ((int)buffer&1) {
-		*((unsigned char*)buffer)++ = fill_value; size--;
+		++p; *p = fill_value; size--;
+		buffer = p;
 	}
 	if ((int)buffer&2) {
-		*((unsigned short*)buffer)++ = fill_value; size-=2;
+		++s; *s = fill_value; size-=2;
+		buffer = s;
 	}
 	lsize = size>>2;
+	unsigned int *up = buffer;
 	while(lsize) {
-		*((unsigned int*)buffer)++ = fill_value;
+		++up;
+		*up = fill_value;
 		lsize--;
 	}
+	buffer = up;
 	if (size&2) {
-		*((unsigned short*)buffer)++ = fill_value;
+		s = buffer;
+		++s;
+		*s = fill_value;
 	}
 	if (size&1) {
-		*((unsigned char*)buffer)++ = fill_value;
+		p = buffer;
+		++p;
+		*p = fill_value;
 	}
   }
 }
@@ -122,7 +133,7 @@
 	{
 		*((unsigned short *)source) = ((linum>>16)&0xffff);
 		linum += linum_inc;
-		((unsigned char*)source) = ((unsigned char*)source) + 2;
+		source = ((unsigned char*)source) + 2;
 		size--;
 		if (size == 0) return;
 	}